Message ID | 20190416192730.15681-8-vidyas@nvidia.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 11035922 for <patchwork-linux-arm@patchwork.kernel.org>; Tue, 16 Apr 2019 19:29:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E1C86286E5 for <patchwork-linux-arm@patchwork.kernel.org>; Tue, 16 Apr 2019 19:29:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D430028A0C; Tue, 16 Apr 2019 19:29:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7BC44286E5 for <patchwork-linux-arm@patchwork.kernel.org>; Tue, 16 Apr 2019 19:29:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=GBV0GwJJftLBQ3B/PA3DwouwPzf3bxLom588dGlqJpc=; b=Z4wCasHV1uTTST WwscyyRVPB+5zfrU5yrLlT5409jYzNQHU7LUhtrhDHuDeWf/Fpsxk12tNS0l8o8MQymp45c8RDL7A dFO+Q/9FP6QQcMnWV3/bTE1YyHIA9YFH8s41k8bm3nVLq1tC0CFd7226Fhpvro+Piu7+0ILdeDleI gAL5SmNO8X+HNTzHy5YaKyxXlEXBIR3jGX1Z5uDHzycnYi+1OhgBN5bmlC473+5eUSrZQaqu9eA+Z arFiZt3fvjqAqNwry+fMBgJBuhmcMxUjIaruS2/VugZA7l9JET63A36fXYwpbxYd6il9AtpObM0wk NF8x9eaS9msIdp5opOSg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hGTlp-0004zj-6n; Tue, 16 Apr 2019 19:29:29 +0000 Received: from hqemgate16.nvidia.com ([216.228.121.65]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hGTkt-0003zG-OG for linux-arm-kernel@lists.infradead.org; Tue, 16 Apr 2019 19:28:42 +0000 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id <B5cb62cdc0000>; Tue, 16 Apr 2019 12:28:28 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 16 Apr 2019 12:28:31 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 16 Apr 2019 12:28:31 -0700 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL108.nvidia.com (172.18.146.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 16 Apr 2019 19:28:31 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 16 Apr 2019 19:28:31 +0000 Received: from vidyas-desktop.nvidia.com (Not Verified[10.24.37.38]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id <B5cb62cda0000>; Tue, 16 Apr 2019 12:28:30 -0700 From: Vidya Sagar <vidyas@nvidia.com> To: <bhelgaas@google.com>, <robh+dt@kernel.org>, <mark.rutland@arm.com>, <thierry.reding@gmail.com>, <jonathanh@nvidia.com>, <kishon@ti.com>, <catalin.marinas@arm.com>, <will.deacon@arm.com>, <lorenzo.pieralisi@arm.com>, <jingoohan1@gmail.com>, <gustavo.pimentel@synopsys.com> Subject: [PATCH V3 07/16] dt-bindings: PCI: designware: Add binding for CDM register check Date: Wed, 17 Apr 2019 00:57:21 +0530 Message-ID: <20190416192730.15681-8-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190416192730.15681-1-vidyas@nvidia.com> References: <20190416192730.15681-1-vidyas@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1555442908; bh=qUWpyfsBw3UEICJJW1OCGxwMMyEFLhwNwjwPtjXk3gk=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=ruExR0mCcB1nHpxC2mjV2rOo34Yma99C2uvoEcziDaMyl862Kex2d76Oca9MV8B66 FJgbfuIAbpMoYlsJXXQk4lB6N97OiULj15WuW35KrOx1RG3u3+wZ9H6uexdOIbos1l f8oubW8Y//yuMoCOBt5bz/XKkPa1WVSb3MTrNZ6/zuIEYInXON9AzFu0kRS7amA5cI q+CXJedLLyCZemB9hEGK72CQgdeDCfoF34nw8zoOsNeeth3kkERDbxFRbcCiqDij/g /8csa4uWgNIzSnH1i4RDFlMpJlRDlq58asxZOR75DyCRQ2R7sb96tJUbmC7iq0OF5K aQ25AUmgj/EXA== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190416_122831_932307_C9DFC422 X-CRM114-Status: UNSURE ( 7.67 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: devicetree@vger.kernel.org, mmaddireddy@nvidia.com, kthota@nvidia.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, mperttunen@nvidia.com, linux-tegra@vger.kernel.org, vidyas@nvidia.com, linux-arm-kernel@lists.infradead.org, sagar.tv@gmail.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
Add Tegra194 PCIe support
|
expand
|
diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt index c124f9bc11f3..2b5f5e25a028 100644 --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt @@ -31,6 +31,11 @@ Optional properties: - clock-names: Must include the following entries: - "pcie" - "pcie_bus" +- enable-cdm-check: This is a boolean property and if present enables + automatic checking of CDM (Configuration Dependent Module) registers + for data corruption. CDM registers include standard PCIe configuration + space registers, Port Logic registers, DMA and iATU (internal Address + Translation Unit) registers. RC mode: - num-viewport: number of view ports configured in hardware. If a platform does not specify it, the driver assumes 2.
Add support to enable CDM (Configuration Dependent Module) registers check for any data corruption. CDM registers include standard PCIe configuration space registers, Port Logic registers and iATU and DMA registers. Refer Section S.4 of Synopsys DesignWare Cores PCI Express Controller Databook Version 4.90a Signed-off-by: Vidya Sagar <vidyas@nvidia.com> --- Changes since [v2]: * Changed flag name from 'cdm-check' to 'enable-cdm-check' * Added info about Port Logic and DMA registers being part of CDM Changes since [v1]: * This is a new patch in v2 series Documentation/devicetree/bindings/pci/designware-pcie.txt | 5 +++++ 1 file changed, 5 insertions(+)